package com.tensquare.spit.service;

import com.tensquare.spit.dao.SpitDao;
import com.tensquare.spit.pojo.Spit;
import entity.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import util.IdWorker;

import java.util.Date;
import java.util.List;
import java.util.Map;

@Service
@Transactional
public class SpitService {
    @Autowired
    private SpitDao spitDao;

    @Autowired
    private IdWorker idWorker;

    @Autowired
    private MongoTemplate mongoTemplate;

    public List<Spit> findAll() {
        return spitDao.findAll();
    }

    public Spit findById(String id) {
        return spitDao.findById(id).get();
    }

    public void save(Spit spit) {
        spit.set_id(idWorker.nextId() + "");
        spit.setPublishtime( new Date());//发布日期
        spit.setThumbup(0);//点赞数
        spit.setState("1");//状态

        //如果当前添加得吐槽有父节点，那么父节点得吐槽回复数要加一
        if(spit.getParentid()!=null && !"".equals(spit.getParentid())){
            Query query = new Query(Criteria.where("_id").is(spit.getParentid()));
            Update update = new Update();
            update.inc("comment",1);
            mongoTemplate.updateFirst(query,update,"spit");
        }
        spitDao.save(spit);
    }

    public void update(Spit spit) {
        spitDao.save(spit);
    }

    public void deleteById(String id) {

        spitDao.deleteById(id);
    }

    public Page<Spit> findBysquareid(String squareId, int page, int size) {

        Sort sort = new Sort(Sort.Direction.ASC,"publishtime");
        Pageable pageable = PageRequest.of(page - 1, size,sort);

        return spitDao.findBySquareId(squareId, pageable);

    }

    public Page<Spit> findByPage(int page, int size) {

        Pageable pageable = PageRequest.of(page - 1, size);

        return spitDao.findAll(pageable);

    }


    public void thumbup(String spitId) {
        //方式一效率问题
        // Spit spit = spitDao.findById(spitId).get();
        // spit.setThumbup((spit.getThumbup()==null?0:spit.getThumbup()) + 1);
        // spitDao.save(spit);

        //方式二 使用源生mongo命令来实现自增 db.spit.update({"_id":"1"},{$inc:{thumbup:NumberInt(1)}})

        Query query = new Query();
        query.addCriteria(Criteria.where("_id").is(spitId));
        Update update = new Update();
        update.inc("thumbup", 1);
        mongoTemplate.updateFirst(query, update, "spit");


    }

}
